[INFO] crate gjio 0.1.3 is already in cache [INFO] extracting crate gjio 0.1.3 into work/ex/clippy-test-run/sources/stable/reg/gjio/0.1.3 [INFO] extracting crate gjio 0.1.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gjio/0.1.3 [INFO] validating manifest of gjio-0.1.3 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gjio-0.1.3 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gjio-0.1.3 [INFO] finished frobbing gjio-0.1.3 [INFO] frobbed toml for gjio-0.1.3 written to work/ex/clippy-test-run/sources/stable/reg/gjio/0.1.3/Cargo.toml [INFO] started frobbing gjio-0.1.3 [INFO] finished frobbing gjio-0.1.3 [INFO] frobbed toml for gjio-0.1.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gjio/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting gjio-0.1.3 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/gjio/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 729392de8e7ea389dd58b170774efb7c2911bc9e43ac4b77f93734cea3e445a3 [INFO] running `"docker" "start" "-a" "729392de8e7ea389dd58b170774efb7c2911bc9e43ac4b77f93734cea3e445a3"` [INFO] [stderr] Checking gj v0.2.0 [INFO] [stderr] Checking gjio v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] --> src/sys/unix/mod.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:183:13 [INFO] [stderr] | [INFO] [stderr] 183 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:184:13 [INFO] [stderr] | [INFO] [stderr] 184 | handle: handle, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `handle` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:185:13 [INFO] [stderr] | [INFO] [stderr] 185 | descriptor: descriptor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `descriptor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:183:13 [INFO] [stderr] | [INFO] [stderr] 183 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:184:13 [INFO] [stderr] | [INFO] [stderr] 184 | handle: handle, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `handle` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:255:17 [INFO] [stderr] | [INFO] [stderr] 255 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:256:17 [INFO] [stderr] | [INFO] [stderr] --> src/sys/unix/mod.rs:185:13 [INFO] [stderr] 256 | handle: handle, [INFO] [stderr] | [INFO] [stderr] 185 | descriptor: descriptor, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `handle` [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `descriptor` [INFO] [stderr] | [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:257:17 [INFO] [stderr] | [INFO] [stderr] 257 | descriptor: descriptor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `descriptor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:137:24 [INFO] [stderr] | [INFO] [stderr] 137 | BufferPrefix { buf: buf, end: end } [INFO] [stderr] | ^^^^^^^^ help: replace it with: `buf` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:137:34 [INFO] [stderr] | [INFO] [stderr] 137 | BufferPrefix { buf: buf, end: end } [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:255:17 [INFO] [stderr] | [INFO] [stderr] 255 | reactor: reactor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:256:17 [INFO] [stderr] | [INFO] [stderr] 256 | handle: handle, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `handle` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/sys/unix/mod.rs:257:17 [INFO] [stderr] | [INFO] [stderr] 257 | descriptor: descriptor, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `descriptor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:204:19 [INFO] [stderr] | [INFO] [stderr] 204 | Network { reactor: reactor } [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:137:24 [INFO] [stderr] | [INFO] [stderr] 137 | BufferPrefix { buf: buf, end: end } [INFO] [stderr] | ^^^^^^^^ help: replace it with: `buf` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:137:34 [INFO] [stderr] | [INFO] [stderr] 137 | BufferPrefix { buf: buf, end: end } [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:286:25 [INFO] [stderr] | [INFO] [stderr] 286 | SocketAddress { inner: inner } [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `inner` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:498:17 [INFO] [stderr] | [INFO] [stderr] 498 | Timer { inner: inner } [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `inner` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:204:19 [INFO] [stderr] | [INFO] [stderr] 204 | Network { reactor: reactor } [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `reactor` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:286:25 [INFO] [stderr] | [INFO] [stderr] 286 | SocketAddress { inner: inner } [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `inner` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:511:61 [INFO] [stderr] | [INFO] [stderr] 511 | self.inner.borrow_mut().heap.push(AtTimeFulfiller { time: time, fulfiller: f }); [INFO] [stderr] | ^^^^^^^^^^ help: replace it with: `time` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:498:17 [INFO] [stderr] | [INFO] [stderr] 498 | Timer { inner: inner } [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `inner` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:511:61 [INFO] [stderr] | [INFO] [stderr] 511 | self.inner.borrow_mut().heap.push(AtTimeFulfiller { time: time, fulfiller: f }); [INFO] [stderr] | ^^^^^^^^^^ help: replace it with: `time` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/handle_table.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | return result; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove `return` as shown: `result` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/handle_table.rs:92:29 [INFO] [stderr] | [INFO] [stderr] 92 | &Some(ref v) => return v, [INFO] [stderr] | ^^^^^^^^ help: remove `return` as shown: `v` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/handle_table.rs:101:37 [INFO] [stderr] | [INFO] [stderr] 101 | &mut Some(ref mut v) => return v, [INFO] [stderr] | ^^^^^^^^ help: remove `return` as shown: `v` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/sys/unix/mod.rs:219:33 [INFO] [stderr] | [INFO] [stderr] 219 | promise [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_and_return)] on by default [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/sys/unix/mod.rs:218:37 [INFO] [stderr] | [INFO] [stderr] 218 | reactor.borrow_mut().observers[handle].when_becomes_readable(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/sys/unix/mod.rs:340:33 [INFO] [stderr] | [INFO] [stderr] 340 | promise [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/sys/unix/mod.rs:339:37 [INFO] [stderr] | [INFO] [stderr] 339 | reactor.borrow_mut().observers[handle].when_becomes_readable(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/sys/unix/mod.rs:378:33 [INFO] [stderr] | [INFO] [stderr] 378 | promise [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/sys/unix/mod.rs:377:37 [INFO] [stderr] | [INFO] [stderr] 377 | reactor.borrow_mut().observers[handle].when_becomes_writable(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead [INFO] [stderr] --> src/lib.rs:482:40 [INFO] [stderr] | [INFO] [stderr] 482 | Some(AtTimeFulfiller { time : _, fulfiller }) => { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unneeded_field_pattern)] on by default [INFO] [stderr] = help: Try with `AtTimeFulfiller { fulfiller, .. }` [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/handle_table.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | return result; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove `return` as shown: `result` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/handle_table.rs:92:29 [INFO] [stderr] | [INFO] [stderr] 92 | &Some(ref v) => return v, [INFO] [stderr] | ^^^^^^^^ help: remove `return` as shown: `v` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/handle_table.rs:101:37 [INFO] [stderr] | [INFO] [stderr] 101 | &mut Some(ref mut v) => return v, [INFO] [stderr] | ^^^^^^^^ help: remove `return` as shown: `v` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/sys/unix/mod.rs:219:33 [INFO] [stderr] | [INFO] [stderr] 219 | promise [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_and_return)] on by default [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/sys/unix/mod.rs:218:37 [INFO] [stderr] | [INFO] [stderr] 218 | reactor.borrow_mut().observers[handle].when_becomes_readable(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/sys/unix/mod.rs:340:33 [INFO] [stderr] | [INFO] [stderr] 340 | promise [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/sys/unix/mod.rs:339:37 [INFO] [stderr] | [INFO] [stderr] 339 | reactor.borrow_mut().observers[handle].when_becomes_readable(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/sys/unix/mod.rs:378:33 [INFO] [stderr] | [INFO] [stderr] 378 | promise [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/sys/unix/mod.rs:377:37 [INFO] [stderr] | [INFO] [stderr] 377 | reactor.borrow_mut().observers[handle].when_becomes_writable(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead [INFO] [stderr] --> src/lib.rs:482:40 [INFO] [stderr] | [INFO] [stderr] 482 | Some(AtTimeFulfiller { time : _, fulfiller }) => { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unneeded_field_pattern)] on by default [INFO] [stderr] = help: Try with `AtTimeFulfiller { fulfiller, .. }` [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:62:16 [INFO] [stderr] | [INFO] [stderr] 62 | if event.events.contains(epoll::EPOLLIN) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(safe_packed_borrows)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:63:16 [INFO] [stderr] | [INFO] [stderr] 63 | event.events.contains(epoll::EPOLLERR) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:62:57 [INFO] [stderr] | [INFO] [stderr] 62 | if event.events.contains(epoll::EPOLLIN) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:73:16 [INFO] [stderr] | [INFO] [stderr] 73 | if event.events.contains(epoll::EPOLLOUT) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:74:16 [INFO] [stderr] | [INFO] [stderr] 74 | event.events.contains(epoll::EPOLLERR) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:73:58 [INFO] [stderr] | [INFO] [stderr] 73 | if event.events.contains(epoll::EPOLLOUT) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: this boolean expression can be simplified [INFO] [stderr] --> src/handle_table.rs:59:12 [INFO] [stderr] | [INFO] [stderr] 59 | if !result.is_none() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `result.is_some()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::nonminimal_bool)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/handle_table.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / fn index<'a>(&'a self, idx: Handle) -> &'a T { [INFO] [stderr] 91 | | match &self.slots[idx.val] { [INFO] [stderr] 92 | | &Some(ref v) => return v, [INFO] [stderr] 93 | | &None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 94 | | } [INFO] [stderr] 95 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns [INFO] [stderr] --> src/handle_table.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | / match &self.slots[idx.val] { [INFO] [stderr] 92 | | &Some(ref v) => return v, [INFO] [stderr] 93 | | &None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 94 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_ref_pats)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 91 | match self.slots[idx.val] { [INFO] [stderr] 92 | Some(ref v) => return v, [INFO] [stderr] 93 | None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/handle_table.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | / fn index_mut<'a>(&'a mut self, idx: Handle) -> &'a mut T { [INFO] [stderr] 100 | | match &mut self.slots[idx.val] { [INFO] [stderr] 101 | | &mut Some(ref mut v) => return v, [INFO] [stderr] 102 | | &mut None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 103 | | } [INFO] [stderr] 104 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to all patterns [INFO] [stderr] --> src/handle_table.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | / match &mut self.slots[idx.val] { [INFO] [stderr] 101 | | &mut Some(ref mut v) => return v, [INFO] [stderr] 102 | | &mut None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 103 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression [INFO] [stderr] | [INFO] [stderr] 100 | match *(&mut self.slots[idx.val]) { [INFO] [stderr] 101 | Some(ref mut v) => return v, [INFO] [stderr] 102 | None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/lib.rs:142:5 [INFO] [stderr] | [INFO] [stderr] 142 | / fn as_ref<'a>(&'a self) -> &'a [u8] { [INFO] [stderr] 143 | | &self.buf.as_ref()[0..self.end] [INFO] [stderr] 144 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:62:16 [INFO] [stderr] | [INFO] [stderr] 62 | if event.events.contains(epoll::EPOLLIN) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(safe_packed_borrows)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:63:16 [INFO] [stderr] | [INFO] [stderr] 63 | event.events.contains(epoll::EPOLLERR) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:62:57 [INFO] [stderr] | [INFO] [stderr] 62 | if event.events.contains(epoll::EPOLLIN) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:73:16 [INFO] [stderr] | [INFO] [stderr] 73 | if event.events.contains(epoll::EPOLLOUT) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:74:16 [INFO] [stderr] | [INFO] [stderr] 74 | event.events.contains(epoll::EPOLLERR) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) [INFO] [stderr] --> src/sys/unix/epoll.rs:73:58 [INFO] [stderr] | [INFO] [stderr] 73 | if event.events.contains(epoll::EPOLLOUT) || event.events.contains(epoll::EPOLLHUP) || [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #46043 [INFO] [stderr] = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior [INFO] [stderr] [INFO] [stderr] warning: this boolean expression can be simplified [INFO] [stderr] --> src/handle_table.rs:59:12 [INFO] [stderr] | [INFO] [stderr] 59 | if !result.is_none() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try: `result.is_some()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::nonminimal_bool)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/handle_table.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / fn index<'a>(&'a self, idx: Handle) -> &'a T { [INFO] [stderr] 91 | | match &self.slots[idx.val] { [INFO] [stderr] 92 | | &Some(ref v) => return v, [INFO] [stderr] 93 | | &None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 94 | | } [INFO] [stderr] 95 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns [INFO] [stderr] --> src/handle_table.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | / match &self.slots[idx.val] { [INFO] [stderr] 92 | | &Some(ref v) => return v, [INFO] [stderr] 93 | | &None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 94 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_ref_pats)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: try [INFO] [stderr] | [INFO] [stderr] 91 | match self.slots[idx.val] { [INFO] [stderr] 92 | Some(ref v) => return v, [INFO] [stderr] 93 | None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/handle_table.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | / fn index_mut<'a>(&'a mut self, idx: Handle) -> &'a mut T { [INFO] [stderr] 100 | | match &mut self.slots[idx.val] { [INFO] [stderr] 101 | | &mut Some(ref mut v) => return v, [INFO] [stderr] 102 | | &mut None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 103 | | } [INFO] [stderr] 104 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to all patterns [INFO] [stderr] --> src/handle_table.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | / match &mut self.slots[idx.val] { [INFO] [stderr] 101 | | &mut Some(ref mut v) => return v, [INFO] [stderr] 102 | | &mut None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] 103 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression [INFO] [stderr] | [INFO] [stderr] 100 | match *(&mut self.slots[idx.val]) { [INFO] [stderr] 101 | Some(ref mut v) => return v, [INFO] [stderr] 102 | None => panic!("invalid handle idx: {}", idx.val), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/lib.rs:142:5 [INFO] [stderr] | [INFO] [stderr] 142 | / fn as_ref<'a>(&'a self) -> &'a [u8] { [INFO] [stderr] 143 | | &self.buf.as_ref()[0..self.end] [INFO] [stderr] 144 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> examples/echo.rs:51:47 [INFO] [stderr] | [INFO] [stderr] 51 | Some(buf) => Promise::ok(Buffer { buf: buf, pool: pool.clone() }), [INFO] [stderr] | ^^^^^^^^ help: replace it with: `buf` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> examples/echo.rs:68:59 [INFO] [stderr] | [INFO] [stderr] 68 | Some(fulfiller) => fulfiller.fulfill(Buffer { buf: buf, pool: pool.clone() }), [INFO] [stderr] | ^^^^^^^^ help: replace it with: `buf` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> examples/proxy.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> examples/echo.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | fn as_ref<'a>(&'a self) -> &'a [u8] { &self.buf[..] } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> examples/echo.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | fn as_mut<'a>(&'a mut self) -> &'a mut [u8] { &mut self.buf[..] } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: identical conversion [INFO] [stderr] --> examples/proxy.rs:62:33 [INFO] [stderr] | [INFO] [stderr] 62 | Promise::err(e.into()) [INFO] [stderr] | ^^^^^^^^ help: consider removing `.into()`: `e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::identity_conversion)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> tests/io.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.22s [INFO] running `"docker" "inspect" "729392de8e7ea389dd58b170774efb7c2911bc9e43ac4b77f93734cea3e445a3"` [INFO] running `"docker" "rm" "-f" "729392de8e7ea389dd58b170774efb7c2911bc9e43ac4b77f93734cea3e445a3"` [INFO] [stdout] 729392de8e7ea389dd58b170774efb7c2911bc9e43ac4b77f93734cea3e445a3